The rain let me have another hour at it, but it's torrential rain here now so that's it for the evening I think!
I still can't get the fresh water pump or the wipers to work; there is a break in the harness somewhere ( fuses OK, voltage at outlet of fusebox, nothing at the switches). Probably one of the multipin connectors behind the dash, of which there are many.
I cleaned all the ground connectors on the engine and the connectiions to the starter. No protective grease at all on them. There was some corrosion, but they're clean now with plenty of dielectric grease on them. Some interesting things, especially finding a fairly weird mix of hardware. Maybe it may help someone in the future to know this beforehand;
As expected, one lead goes from the battery switch to the starter, all the power circuits are connected to the same terminal on the starter.
Those power leads ( which are black!) are attached to the starter by a 17mm steel nut, with a M8 thread. The battery cable is attached to the other end of that nut by a M8 bolt with a 12mm head. No brass or stainless is sight.
There are two ground studs, the first one on the block, the second on the starter!; Unless you know it's there, it's difficult to see the second until the first is stripped back. These use a mix of stainless and mild steel nuts and washers, A/F this time, not metric. The engine stud has the 2 battery leads, plus a lead that goes to the alternator ( I think!). Also the ACP and Neutrasalt ground wires. The other stud takes the ground wires from the FW engine compartment harness.
Graham
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